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VMware vCenter Server Heartbeat – Overview. Agenda. Why is VMware vCenter Availability Important? What Needs to be Protected? Protecting vCenter Server with vCenter Server Heartbeat. Self Service Management. Self Service Portal . Service Catalog. Billing / Chargeback. Availability.

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agenda
Agenda
  • Why is VMware vCenter Availability Important?
  • What Needs to be Protected?
  • Protecting vCenter Server with vCenter Server Heartbeat
slide3

Self Service Management

Self Service Portal

Service Catalog

Billing/Chargeback

Availability

Security

Performance

SLA Driven Management Model

vCenter

.2 Milli-seconds

99.99%

High

Infrastructure Management

Provisioning

Configuration

Capacity

Operations

Performance

Availability

Virtual Datacenter Operating System

vcenter server a key infrastructure component
vCenter Server: A Key Infrastructure Component

A universal hub for virtualization management

how do you use vcenter server
How Do You Use vCenter Server?
  • Monitor cluster, host and VM performance
  • Manage VM and host provisioning
  • Patch and update hosts and VMs
  • Configure and operate VMotion, DRS and HA
  • Provision and manage a VDI environment
  • Manage disaster recover plans
agenda8
Agenda
  • Why is VMware vCenter Availability Important?
  • What Needs to be Protected?
  • Protecting vCenter Server with vCenter Server Heartbeat
determining a strategy
Determining a Strategy
  • Define the Scope of Protection Desired
    • Which is most important?
      • Local high availability for hardware/network failures?
      • Protecting application integrity and uptime against all types of threats?
      • Remote disaster recovery for large scale, site-wide outages?
    • What is the recovery time objective?
      • Need to base this on what functionality is unavailable during vCenter Server outage
how do you protect vcenter server today
How Do You Protect vCenter Server Today?
  • No protection
  • Keep a backup copy archived
  • Cold standby
  • Clustering
  • VMware HA
protecting vcenter server
Protecting vCenter Server

vCenter Server

vCenter Server

Database Server

Database Server

Replication ofstate files

VI Services

Primary

Standby

VI Inventory

Standard DR Solution

what is required to restore vcenter functionality
What is required to restore vCenter functionality?
  • vCenter Server is an almost stateless application
  • Data stored in the vCenter database is the most critical resource
  • Following data is necessary to restore the vCenter functionality (with intact database)
    • vCenter server IP Address
    • DNS name for ODBC connection
    • License files for the License Manager Server
    • Security Certificates
    • vCenter Configuration file
    • vCenter Plug-in data
    • Customized data from upgrade directory (if applicable)
cold standby recovery procedure simple slow
Cold Standby Recovery Procedure: Simple, Slow

Maintain separateup to date copy oflocal configurationfiles

Disaster!

Install freshvCenterinstance

Able to assignprimary’s IP tostandby?

Installconfig files; connect tostandby DB

ESX Server hostsreconnectautomatically

yes

no

Run script to reconnectall ESX Server hosts

Done

warm standby recovery procedure complex faster
Warm Standby Recovery Procedure: Complex, Faster

Keep localconfiguration filessynchronized betweenprimary and standby

Faster end-to-end recovery (RTO)

  • Also allows for scripting and automation
  • Replication of configuration files through host-based replication or backup tools

Disaster!

Able to assignprimary’s IP tostandby?

ESX Server hostsreconnectautomatically

yes

no

Run script to reconnectall ESX Server hosts

Done

agenda15
Agenda
  • Why is VMware vCenter Availability Important?
  • What Needs to be Protected?
  • Protecting vCenter Server with vCenter Server Heartbeat
solutions for protecting vcenter server
Solutions for Protecting vCenter Server
  • vCenter downtime greatly impacts productivity of VI Administrators
  • However, several options can be used to mitigate the potential for vCenter Server downtime
  • The solution of choice will depend on level of protection desired and recovery point objectives.
slide17

Protecting vCenter Server Against Downtime Threats

vCenter Server

Linked Mode provides visibility across multiple vCenter Servers (coming in 2009)

Replicated licenses & roles

VMware HA protects a virtualized vCenter Server against hardware and OS downtime

vCenter

Server

vCenter

Server

vCenter

Server

vCenter

Server

vCenter

Server

vCenter

Server

VMware HA

ESXi

ESX

ESXi

ESXi

ESXi

ESX

ESX

Heartbeat provides broad failover protection for vCenter Server against all types of planned or unplanned downtime

Active

Passive

vCenter

Server

vCenter

Server

vCenter Heartbeat

introducing vmware vcenter server heartbeat
Introducing VMware vCenter Server Heartbeat
  • Extends availability for the vCenter Server platform
    • Add-on to vCenter Server protects critical components of the infrastructure
    • Deep awareness of all vCenter Server components
    • Simple configuration and deployment
    • Replicates all data and transactions to a standby server
    • Failover of the application and database over the LAN or WAN
introducing vmware vcenter server heartbeat19
Introducing VMware vCenter Server Heartbeat
  • Best-of breed-technology
    • VMware has selected Neverfail to provide the underlying technology
    • Proven technology supports SQL, Exchange, Blackberry availability
    • vCenter Server Heartbeat is a VMware product and fully supported by VMware
slide20

vCenter Server Heartbeat

Hardware

Failures

OS

Failures

vCenter Server

Application

Failures

Network

Failures

vCenter Server Heartbeat

vcenter server heartbeat architecture
vCenter Server Heartbeat Architecture
  • Software Based Solution Providing:
    • Paired Servers with Shared Nothing Architecture
    • Active/Passive clone
    • Hardware Agnostic
    • Physical & Virtual Support
  • Application Awareness (AMF)
  • Hardware and Software Redundancy
  • Automated Failover
  • Planned Maintenance
  • Network Monitoring
  • Low Bandwidth Module
comparing vcenter server heartbeat
Comparing vCenter Server Heartbeat

Deeper more granular protection than other solutions

vcenter server heartbeat defense in depth
vCenter Server Heartbeat: Defense in Depth

Complete

vCenter Heartbeat

Replication

Depth of HA protection

Clustering

VMware HA

Hardware/OS

Specific

All

Breadth of workloads supported

summary why vcenter server heartbeat
Summary: Why vCenter Server Heartbeat?
  • High availability for VC is growing in importance for customers running VMware in production
      • Underlying infrastructure needs to be fully protected
      • HA provides robust general-purpose protection of virtualized workloads
      • Need to protect against configuration errors, network failures, OS failures, database failures with WAN failover support
      • Many customers run vCenter Server on a physical server
      • Other solutions are expensive, complex and lack app awareness, support for database, WAN failover
      • Customers have been asking for a VMware solution that provides more granular availability for vCenter Server
introducing vmware vcenter server heartbeat25
Introducing VMware vCenter Server Heartbeat
  • Extends availability for the vCenter Server platform
      • Announce at VMworld Europe, GA in mid-March
      • Add-on to vCenter Server protects critical components of the infrastructure
      • Deep awareness of the vCenter Server components
      • Failover of the application and database over the LAN or WAN
    • Best-of breed-technology
      • VMware has signed an agreement to license the technology for Heartbeat and sell it as a VMware product
      • Proven technology supports SQL, Exchange, Blackberry availability
      • VMware will provide training and support as with any other VMware product
      • Neverfail provides underlying technology and updates, as well as support for field, channel and GSS enablement
vmware ha for vcenter server availability
VMware HA for vCenter Server Availability
  • This section discusses how HA can be used for vCenter Server availability
solutions for protecting vcenter
Solutions for Protecting vCenter
  • vCenter downtime greatly impacts productivity of VI Administrators
  • However, several options can be used to mitigate the potential for vCenter downtime
  • The solution of choice will depend on level of protection desired and recovery point objectives.
vcenter with vmware ha out of band
Two approaches

Two vCenter instances manage each other (pictured)

Both run in HA cluster

Each manages the other’s HA cluster

Separate vCenter instance is used to manage 2-node HA cluster (not pictured)

vpxd

vpxd

vCenter with VMware HA: Out-of-Band
vcenter with vmware ha in band
vCenter Server manages the VMware HA cluster providing its protection

When the ESX hosts with vCenter VM fails, VM is restarted automatically by HA

Failover functionality provided by HA is independent from vCenter (post-configuration)

vpxd

vCenter with VMware HA: In-Band